How many Psychologist providers are in the US?

56,641 Psychologist providers have their primary specialty listed as Psychologist in the NPPES National Provider Identifier registry. This includes both active and deactivated NPI records. The states with the most Psychologist providers are California (8,091), New York (5,488), Pennsylvania (3,153).

What does a Psychologist do?

A Psychologist is a licensed healthcare provider whose primary specialty is classified under the Psychologist taxonomy code (103T00000X) in the NUCC Health Care Provider Taxonomy maintained by the National Uniform Claim Committee. NPI numbers are assigned by CMS and required for all U.S. healthcare billing.

Where does this Psychologist provider data come from?

All data comes from the NPPES (National Plan and Provider Enumeration System) public data files published by the Centers for Medicare & Medicaid Services (CMS). Every licensed U.S. healthcare provider must register an NPI number with CMS. For real-time NPI lookup, use the official registry at nppes.cms.hhs.gov.

Psychologist Providers

Q: How do I find a Psychologist provider near me?

Use the state filter on this page to narrow Psychologist providers by state. You can also search by provider name. Each provider listing links to a full profile with their practice address, NPI number, and credentials. For appointment scheduling, contact the provider's office directly — DoctorDataHub displays registry data only and does not support appointment booking.

The NPPES registry lists 56,641 Psychologist providers across the United States — including both individual practitioners and organizations with Psychologist as their primary specialty. The highest concentrations are in California, New York, Pennsylvania . Use the filters below to narrow by state or search by name.

Data sourced from the NPPES public data files published by CMS. Taxonomy code: 103T00000X.

Sole Proprietor Active Only

Name	Credential	City, State	NPI
DR. LEE ANNE ADAMSON	PH.D.	ELLENWOOD, GA	1881039550
DR. AMY O'NEILL ADCOCK	PH.D.	TEMPLE, TX	1346420536
MEGAN M ADCOCK	LMLP	EMPORIA, KS	1932304557
DOROTHY ADDAE	—	CHICAGO, IL	1548931561
RUSSELL R ADDEO	PHD	JACKSONVILLE, FL	1689698144
DR. ADRIENNE K. ADDICOTT	PHD	DALY CITY, CA	1932246998
DR. JESSICA SUNNY ADDINGTON	PSY.D.	GLASTONBURY, CT	1881817013
DR. JOHN WESLEY ADDIS	PHD	BRADFORD, PA	1306028105
DR. NANCY ELLEN ADDISON	PH.D.	BEVERLY HILLS, CA	1396033288
RICHARD B. ADDISON	PHD	SANTA ROSA, CA	1891817201
DR. TIFFANY IDALIA ADEIGBE	LP	KYLE, TX	1154144368
MARY ADEKALE	—	GRAND BLANC, MI	1457838005
ANNE JANE ADELMAN	PH.D.	CHEVY CHASE, MD	1184254328
DR. EVIE ADELMAN	PH.D.	LANCASTER, OH	1932125234
EMILIYA ADELSON	PH.D.	ALPHARETTA, GA	1275176307
UGBAD ABDI ADEN	—	MINNETONKA, MN	1851152904
DR. CHARLOTTE YEN ADERMANN	PSY.D.	PALO ALTO, CA	1861553364
DR. ALISA J. ADES	PHD	WASHINGTON, DC	1801237219
SHARON ADESMAN	MS CRC	LANGHORNE, PA	1316160526
DR. AHMED ADETOLA	—	NOTTINGHAM, MD	1003529520
VALERIE ADEVA	—	PASADENA, CA	1235934837
OYEYEMI A ADEYIGA	PHD	OKLAHOMA CITY, OK	1336589472
DR. SEPIDEH ADHAMI	PSY.D.	RANCHO CUCAMONGA, CA	1124451307
SADHANA B ADHIKARI	—	STOCKTON, CA	1720124886
DR. JOAN D ADICKMAN	PH. D.	GREAT NECK, NY	1700156973
JONES M ADKINS	PSYD LP	ELK RIVER, MN	1457459240
JOYCE ADKINS	PHD, MHP	FALLS CHURCH, VA	1740318781
DR. RHONDA R ADKINSON	PSYD	CANTONMENT, FL	1851387922
ALEXIS S ADLER	PSYD	ARLINGTON, MA	1558675181
DR. AMY B ADLER	PH.D.	APO, AE	1033272356
DR. ANDREW ADLER	PH.D.	SCARSDALE, NY	1184876450
ANN K ADLER	PHD	PROVIDENCE, RI	1174767552
ARLENE G ADLER	PHD	HAWTHORNE, NY	1386631745
DR. CHERYL PAULINE ADLER	—	NEW YORK, NY	1831786482
ERICA JILL ADLER	—	WHITE PLAINS, NY	1174717946
DR. JOHN M ADLER	PHD	SAVANNAH, GA	1689786865
JOHN ADLER	—	KNOXVILLE, TN	1659739175
JOHN D ADLER	PHD	GRESHAM, OR	1588645055
DR. JONATHAN M ADLER	PHD	NEEDHAM, MA	1801386255
MS. JUDITH ELIZABETH ADLER	LCSW	NEW YORK, NY	1366598831
DR. MANFRED ADLER	PH.D.	LYNDHURST, OH	1700909942
MICHAEL S ADLER	—	MONSEY, NY	1811415052
DR. MITCHEL GREGG ADLER	PSY.D.	DAVIS, CA	1003062225
DR. NANCY L ADLER	—	MEMPHIS, TN	1235356601
DR. NAOMI ADLER	PSY.D.	WHITE PLAINS, NY	1053443648
DR. PAUL D ADLER	PH.D., ABPP(CL)	SPRINGFIELD, MA	1447319298
DR. PETER JOHN ADLER	ED.D.	NORTHRIDGE, CA	1073671343
DR. PETER A ADLER	PH.D.	CAPITOLA, CA	1326100405
DR. PHILIP ADLER	PSYD	ENCINO, CA	1962635045
VICKI M ADLER	PH.D.	BLOOMFIELD HILLS, MI	1851564652

Psychologist Providers by State

APO/FPO Americas 1 APO/FPO Europe, Middle East & Africa 19 APO/FPO Pacific 20 Alabama 260 Alaska 117 American Samoa 1 Arizona 877 Arkansas 242 California 8,091 Colorado 1,273 Connecticut 740 Delaware 174 Florida 2,796 Georgia 1,106 Guam 2 Hawaii 360 Idaho 196 Illinois 1,319 Indiana 562 Iowa 297 Kansas 665 Kentucky 607 Louisiana 235 Maine 302 Maryland 1,374 Massachusetts 2,549 Michigan 3,076 Minnesota 1,955 Mississippi 165 Missouri 693 Montana 119 Nebraska 436 Nevada 312 New Hampshire 281 New Jersey 1,772 New Mexico 262 New York 5,488 North Carolina 1,954 North Dakota 164 Northern Mariana Islands 4 Ohio 1,709 Oklahoma 353 Oregon 840 Pennsylvania 3,153 Puerto Rico 1,239 Rhode Island 284 South Carolina 328 South Dakota 121 Tennessee 573 Texas 2,620 U.S. Virgin Islands 15 Utah 510 Vermont 291 Virginia 587 Washington 1,229 Washington D.C. 365 West Virginia 416 Wisconsin 1,064 Wyoming 78

Browse Psychologist Providers by Gender

Female Psychologist Providers Male Psychologist Providers

Frequently Asked Questions

How many Psychologist providers are in the United States?

56,641 providers list Psychologist as their primary specialty in the NPPES registry. This count reflects all registered NPI records with the Psychologist taxonomy code (103T00000X), including both active and deactivated records. The largest concentrations are in California (8,091), New York (5,488), Pennsylvania (3,153).

What is the NUCC taxonomy code for Psychologist?

The NUCC Health Care Provider Taxonomy code for Psychologist is 103T00000X. NUCC taxonomy codes are maintained by the National Uniform Claim Committee and are used on CMS 1500 claim forms and in the NPPES registry to classify provider types and specialties.

How do I find a Psychologist provider near me?

Use the state dropdown above to narrow Psychologist providers to your state. You can also search by name. Each result links to a full provider profile with their practice address, NPI number, and credentials. For appointments, contact the provider's office directly — DoctorDataHub displays registry data only and does not support booking.

What credentials do Psychologist providers typically hold?

Credentials vary by Psychologist provider type. Individual practitioners commonly hold degrees such as MD (Doctor of Medicine), DO (Doctor of Osteopathic Medicine), NP (Nurse Practitioner), PA (Physician Assistant), or specialty-specific certifications. Each provider's credential is listed in the results table above.

Where does this provider data come from?

DoctorDataHub publishes data from the NPPES public data files released by the Centers for Medicare & Medicaid Services. Every licensed U.S. healthcare provider is required to obtain an NPI number. For real-time lookup and the most current information, use the official registry at nppes.cms.hhs.gov.